The Valve,filter, cataloged under National Stock Number 2915-00-737-9192, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-00-737-9192 |
| Primary Part Number | 561021 |
| Item Name | Valve,filter |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,UNITED ACFT CORP SPEC NO. HS178,ROCKWELL HARDNESS SUPERFICIAL RS75-83.5 R15N,IRREGULAR SHAPE,FLANGE TYPE,1.500 IN. MIN,1.540 IN. MAX OD OF FLANGE,0.680 IN. MIN,0.710 IN. MAX O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2915-00-737-9192 is a Valve,filter, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-737-9192 has 2 manufacturer part numbers on file: 561021 (Peerless Screw Products Corporation), 561021 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 2995-01-372-5170. Verify interchangeability with system specifications before substitution.
Key specifications for 561021: General Characteristics Item Description: CRES,UNITED ACFT CORP SPEC NO. HS178,ROCKWELL HARDNESS SUPERFICIAL RS75-83.5 R15N,IRREGULAR SHAPE,FLANGE TYPE,1.500 IN. MIN,1.540 IN. MAX OD OF FLANGE,0.680 IN. MIN,0.710 IN. MAX O/A LG IN; End Item Identification: 29158603736. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2915-00-737-9192 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.